I didn’t know know that human powered helicoptering was possible at all until I saw this video. This high-tech machine is 100 feet across, and weighs only 80 pounds. Really impressive stuff, even though the team hasn’t quite won the Sikorsky Prize:

Erich Vieth is an attorney focusing on consumer law litigation and appellate practice. He is also a working musician and a writer, having founded Dangerous Intersection in 2006. Erich lives in the Shaw Neighborhood of St. Louis, Missouri, where he lives half-time with his two extraordinary daughters.